Airsal Extreme 50cc for Minarelli AM6 engines.

The Extreme kits are high revving, high-end racing cylinders. The cylinder utilizes 7 transfer ports with a radical triple exhaust port. This exhaust port design has been only seen in record braking engines, the Airsal cylinder will set new standards for 50cc racing.

To get this kit to run well you will need a larger carburettor up to 30mm and matching intake system, a high performance clutch and transmission setup, a high end exhaust and internal rotor racing ignition kit.

Required:
A high quality 39.3mm (standard stroke) Airsal racing crankshaft with C4 main bearings, BR10ES spark plug. High quality 98 octane petrol, only pre-mixed high quality fully synthetic oil at a ratio of 33:1 (do not use the original oil pump).

Specifications:
Bore: 40.3mm
Stroke: 39.3mm
Capacity: 49cc
Ring clearance: 0.3mm
Squish: 0.7mm
Compression ratio: 13:4

Airsal 0113102403